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- Committer: Jelmer Vernooij
- Date: 2008-06-29 15:54:40 UTC
- mto: This revision was merged to the branch mainline in revision 519.
- Revision ID: jelmer@samba.org-20080629155440-iuzfrlfifnplp9jq
Add simple test for linegraph.
- files modified:
- branchview/linegraph.py
added
removed
branchview/linegraph.py
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from bzrlib.revision import NULL_REVISION
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from bzrlib.tsort import merge_sort
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from bzrlib import ui
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def linegraph(graph, start_revs, maxnum=None, broken_line_length=None,
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graph_data=True, mainline_only=False, root_progress=None):
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graph_data=True, mainline_only=False):
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"""Produce a directed graph of a bzr repository.
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Returns a tuple of (line_graph, revid_index, columns_len) where
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It's up to you how to actually draw the nodes and lines (straight,
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curved, kinked, etc.) and to pick the actual colours for each index.
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"""
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assert isinstance(start_revs, list)
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def update_root_progress(step_number):
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"""IFF our container received a root progress bar, then update it."""
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if root_progress is not None:
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root_progress.update(current_cnt=step_number)
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graph_parents = {}
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ghosts = set()
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graph_children = {}
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update_root_progress(1)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Arranging tree fragments")
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for i, (revid, parent_revids) in enumerate(graph.iter_ancestry(start_revs)):
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if i % 25 == 0:
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progress_bar.tick()
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if parent_revids is None:
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ghosts.add(revid)
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continue
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if parent_revids == (NULL_REVISION,):
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graph_parents[revid] = ()
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else:
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graph_parents[revid] = parent_revids
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for parent in parent_revids:
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graph_children.setdefault(parent, []).append(revid)
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graph_children.setdefault(revid, [])
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finally:
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progress_bar.finished()
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update_root_progress(2)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Removing ghosts", total_cnt=len(ghosts))
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for i, ghost in enumerate(ghosts):
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if i % 25 == 0:
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progress_bar.update(None, current_cnt=i)
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for ghost_child in graph_children[ghost]:
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graph_parents[ghost_child] = [p for p in graph_parents[ghost_child]
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if p not in ghosts]
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finally:
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progress_bar.finished()
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for (revid, parent_revids) in graph.iter_ancestry(start_revs):
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if parent_revids is None:
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ghosts.add(revid)
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continue
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if parent_revids == (NULL_REVISION,):
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graph_parents[revid] = ()
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else:
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graph_parents[revid] = parent_revids
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for parent in parent_revids:
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graph_children.setdefault(parent, []).append(revid)
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graph_children.setdefault(revid, [])
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for ghost in ghosts:
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for ghost_child in graph_children[ghost]:
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graph_parents[ghost_child] = [p for p in graph_parents[ghost_child]
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if p not in ghosts]
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graph_parents["top:"] = start_revs
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if len(graph_parents)>0:
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linegraph = []
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update_root_progress(3)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Finding nodes", total_cnt=len(merge_sorted_revisions))
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for (rev_index, (sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge)) in enumerate(merge_sorted_revisions):
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if rev_index % 25 == 0:
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progress_bar.update(None, current_cnt=rev_index)
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if maxnum and rev_index >= maxnum:
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break
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revid_index[revid] = rev_index
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parents = graph_parents[revid]
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linegraph.append([revid,
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None,
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[],
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parents,
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None,
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revno_sequence])
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if graph_data:
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revno_index[revno_sequence] = rev_index
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branch_id = revno_sequence[0:-1]
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branch_line = None
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if branch_id not in branch_lines:
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branch_line = []
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branch_lines[branch_id] = branch_line
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else:
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branch_line = branch_lines[branch_id]
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branch_line.append(rev_index)
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finally:
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progress_bar.finished()
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for (rev_index, (sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge)) in enumerate(merge_sorted_revisions):
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if maxnum and rev_index >= maxnum:
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break
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revid_index[revid] = rev_index
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parents = graph_parents[revid]
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linegraph.append([revid,
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None,
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[],
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parents,
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None,
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revno_sequence])
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if graph_data:
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revno_index[revno_sequence] = rev_index
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branch_id = revno_sequence[0:-1]
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branch_line = None
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if branch_id not in branch_lines:
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branch_line = []
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branch_lines[branch_id] = branch_line
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else:
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branch_line = branch_lines[branch_id]
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branch_line.append(rev_index)
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if graph_data:
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branch_ids = branch_lines.keys()
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columns = [list(empty_column)]
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update_root_progress(4)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Organizing edges", total_cnt=len(branch_ids))
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for i, branch_id in enumerate(branch_ids):
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if i % 25 == 0:
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progress_bar.update(None, current_cnt=i)
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branch_line = branch_lines[branch_id]
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# Find the col_index for the direct parent branch. This will be the
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# starting point when looking for a free column.
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parent_col_index = 0
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parent_index = None
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if len(branch_id) > 1:
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parent_revno = branch_id[0:-1]
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if parent_revno in revno_index:
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parent_index = revno_index[parent_revno]
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for branch_id in branch_ids:
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branch_line = branch_lines[branch_id]
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# Find the col_index for the direct parent branch. This will be the
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# starting point when looking for a free column.
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parent_col_index = 0
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parent_index = None
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if len(branch_id) > 1:
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parent_revno = branch_id[0:-1]
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if parent_revno in revno_index:
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parent_index = revno_index[parent_revno]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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col_search_order = _branch_line_col_search_order(columns,
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parent_col_index)
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color = reduce(lambda x, y: x+y, branch_id, 0)
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cur_cont_line = []
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line_range = []
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last_rev_index = None
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for rev_index in branch_line:
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if last_rev_index:
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if broken_line_length and \
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rev_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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line_range.append(rev_index-1)
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else:
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line_range.extend(range(last_rev_index+1, rev_index))
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line_range.append(rev_index)
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last_rev_index = rev_index
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if parent_index:
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if broken_line_length and \
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parent_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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else:
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line_range.extend(range(last_rev_index+1, parent_index))
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col_index = _find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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node = (col_index, color)
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for rev_index in branch_line:
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linegraph[rev_index][1] = node
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columns[col_index][rev_index] = True
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for rev_index in branch_line:
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(sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge) = merge_sorted_revisions[rev_index]
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linegraph[rev_index][4] = graph_children[revid]
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col_index = linegraph[rev_index][1][0]
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for parent_revid in graph_parents[revid]:
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if parent_revid in revid_index:
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parent_index = revid_index[parent_revid]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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col_search_order = _branch_line_col_search_order(columns,
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parent_col_index)
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color = reduce(lambda x, y: x+y, branch_id, 0)
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cur_cont_line = []
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line_range = []
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last_rev_index = None
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for rev_index in branch_line:
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if last_rev_index:
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if broken_line_length and \
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rev_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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line_range.append(rev_index-1)
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else:
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line_range.extend(range(last_rev_index+1, rev_index))
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line_range.append(rev_index)
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last_rev_index = rev_index
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if parent_index:
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if broken_line_length and \
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parent_index - last_rev_index > broken_line_length:
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line_range.append(last_rev_index+1)
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else:
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line_range.extend(range(last_rev_index+1, parent_index))
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col_index = _find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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node = (col_index, color)
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for rev_index in branch_line:
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linegraph[rev_index][1] = node
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columns[col_index][rev_index] = True
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for rev_index in branch_line:
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(sequence_number,
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revid,
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merge_depth,
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revno_sequence,
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end_of_merge) = merge_sorted_revisions[rev_index]
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linegraph[rev_index][4] = graph_children[revid]
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col_index = linegraph[rev_index][1][0]
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for parent_revid in graph_parents[revid]:
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if parent_revid in revid_index:
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parent_index = revid_index[parent_revid]
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parent_node = linegraph[parent_index][1]
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if parent_node:
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parent_col_index = parent_node[0]
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else:
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parent_col_index = None
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parent_col_index = None
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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# If this line is really long, break it.
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if len(branch_id) > 0 and \
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broken_line_length and \
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parent_index - rev_index > broken_line_length:
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child_line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(rev_index + 1,))
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_mark_column_as_used(columns,
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child_line_col_index,
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(rev_index + 1,))
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# Recall _line_col_search_order to reset it back to
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# the beging.
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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# If this line is really long, break it.
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if len(branch_id) > 0 and \
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broken_line_length and \
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parent_index - rev_index > broken_line_length:
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child_line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(rev_index + 1,))
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_mark_column_as_used(columns,
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child_line_col_index,
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(rev_index + 1,))
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# Recall _line_col_search_order to reset it back to
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# the beging.
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col_search_order = \
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_line_col_search_order(columns,
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parent_col_index,
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col_index)
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parent_col_line_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(parent_index - 1,))
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_mark_column_as_used(columns,
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parent_col_line_index,
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(parent_index - 1,))
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lines.append((rev_index,
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parent_index,
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(child_line_col_index,
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parent_col_line_index)))
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else :
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line_col_index = col_index
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if parent_index - rev_index >1:
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line_range = range(rev_index + 1, parent_index)
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line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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_mark_column_as_used(columns,
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line_col_index,
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line_range)
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lines.append((rev_index,
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parent_index,
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(line_col_index,)))
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finally:
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progress_bar.finished()
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parent_col_line_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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(parent_index - 1,))
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_mark_column_as_used(columns,
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parent_col_line_index,
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(parent_index - 1,))
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lines.append((rev_index,
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parent_index,
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(child_line_col_index,
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parent_col_line_index)))
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else :
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line_col_index = col_index
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if parent_index - rev_index >1:
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line_range = range(rev_index + 1, parent_index)
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line_col_index = \
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_find_free_column(columns,
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empty_column,
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col_search_order,
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line_range)
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_mark_column_as_used(columns,
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line_col_index,
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line_range)
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lines.append((rev_index,
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parent_index,
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(line_col_index,)))
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update_root_progress(5)
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progress_bar = ui.ui_factory.nested_progress_bar()
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try:
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progress_bar.update(msg="Pretifying graph", total_cnt=len(lines))
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for i, (child_index, parent_index, line_col_indexes) in enumerate(lines):
319
if i % 25 == 0:
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progress_bar.update(None, current_cnt=i)
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(child_col_index, child_color) = linegraph[child_index][1]
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(parent_col_index, parent_color) = linegraph[parent_index][1]
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if len(line_col_indexes) == 1:
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if parent_index - child_index == 1:
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linegraph[child_index][2].append(
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(child_col_index,
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parent_col_index,
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parent_color))
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else:
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# line from the child's column to the lines column
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linegraph[child_index][2].append(
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(child_col_index,
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line_col_indexes[0],
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parent_color))
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# lines down the line's column
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for line_part_index in range(child_index+1, parent_index-1):
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linegraph[line_part_index][2].append(
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(line_col_indexes[0],
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line_col_indexes[0],
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parent_color))
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# line from the line's column to the parent's column
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linegraph[parent_index-1][2].append(
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(line_col_indexes[0],
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parent_col_index,
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parent_color))
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for (child_index, parent_index, line_col_indexes) in lines:
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(child_col_index, child_color) = linegraph[child_index][1]
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(parent_col_index, parent_color) = linegraph[parent_index][1]
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if len(line_col_indexes) == 1:
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if parent_index - child_index == 1:
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linegraph[child_index][2].append(
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(child_col_index,
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parent_col_index,
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parent_color))
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else:
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# Broken line
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# line from the child's column to the lines column
350
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linegraph[child_index][2].append(
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287
(child_col_index,
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288
line_col_indexes[0],
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289
parent_color))
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# Broken line end
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linegraph[child_index+1][2].append(
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(line_col_indexes[0],
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None,
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parent_color))
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# Broken line end
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linegraph[parent_index-2][2].append(
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(None,
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line_col_indexes[1],
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parent_color))
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# lines down the line's column
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for line_part_index in range(child_index+1, parent_index-1):
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linegraph[line_part_index][2].append(
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(line_col_indexes[0],
294
line_col_indexes[0],
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parent_color))
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296
# line from the line's column to the parent's column
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297
linegraph[parent_index-1][2].append(
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(line_col_indexes[1],
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(line_col_indexes[0],
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299
parent_col_index,
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300
parent_color))
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finally:
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progress_bar.finished()
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else:
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# Broken line
303
# line from the child's column to the lines column
304
linegraph[child_index][2].append(
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(child_col_index,
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line_col_indexes[0],
307
parent_color))
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# Broken line end
309
linegraph[child_index+1][2].append(
310
(line_col_indexes[0],
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None,
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parent_color))
313
314
# Broken line end
315
linegraph[parent_index-2][2].append(
316
(None,
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line_col_indexes[1],
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parent_color))
319
# line from the line's column to the parent's column
320
linegraph[parent_index-1][2].append(
321
(line_col_indexes[1],
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parent_col_index,
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parent_color))
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324
return (linegraph, revid_index, len(columns))
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325
else:
374
326
return (linegraph, revid_index, 0)
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